Whimsy: Pry Irresponsibly
summary
Claim: using pry cuts the write‑run cycle to one step by editing live objects and files while the program runs. It demos pry commands that cd into object contexts, inspect instance vars, use edit command to change source and memory simultaneously, reference last results with _, inspect _exception and history with hist, do multiline redefinitions to monkeypatch behavior, create files and even commit with git — surprising persistence of edits and exact commands shown.
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